From owner-freebsd-current Wed Mar 11 11:36:53 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA17095 for freebsd-current-outgoing; Wed, 11 Mar 1998 11:36:53 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from shadow.worldbank.org (shadow.worldbank.org [138.220.104.78]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA17031 for ; Wed, 11 Mar 1998 11:36:39 -0800 (PST) (envelope-from adhir@worldbank.org) Received: from localhost (adhir@localhost) by shadow.worldbank.org (8.8.8/8.8.8) with SMTP id OAA27473; Wed, 11 Mar 1998 14:35:32 -0500 (EST) (envelope-from adhir@worldbank.org) X-Authentication-Warning: shadow.worldbank.org: adhir owned process doing -bs Date: Wed, 11 Mar 1998 14:35:32 -0500 (EST) From: "Alok K. Dhir" To: lamaster@george.arc.nasa.gov cc: current@FreeBSD.ORG Subject: Re: Amazing :-) In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, 11 Mar 1998 lamaster@george.arc.nasa.gov wrote: > Or, here is another idea: somehow your disk geometry (translated > rather than CHS I assume) is wrong performance-wise: that is, > perhaps the translation is such that the disk thrashes? I believe > that may have happened to me once when I had a setup with a small > DOS partition on my drive and used translation. I now always use > a dedicated FreeBSD boot disk with CHS addressing and the "true" geometry. This could be, I suppose. Thanks... Here's the fdisk output of my root/usr disk: ******* Working on device /dev/rsd0 ******* parameters extracted from in-core disklabel are: cylinders=522 heads=255 sectors/track=63 (16065 blks/cyl) parameters to be used for BIOS calculations are: cylinders=522 heads=255 sectors/track=63 (16065 blks/cyl) Media sector size is 512 Warning: BIOS sector numbering starts with sector 1 Information from DOS bootblock is: The data for partition 1 is: sysid 6,(Primary 'big' DOS (> 32MB)) start 63, size 2056257 (1004 Meg), flag 80 beg: cyl 0/ sector 1/ head 1; end: cyl 127/ sector 63/ head 254 The data for partition 2 is: sysid 165,(FreeBSD/NetBSD/386BSD) start 2056320, size 6329610 (3090 Meg), flag 0 beg: cyl 128/ sector 1/ head 0; end: cyl 521/ sector 63/ head 254 The data for partition 3 is: The data for partition 4 is: And here's the disklabel, if it matters: # /dev/rsd0c: type: SCSI disk: sd0s2 label: flags: bytes/sector: 512 sectors/track: 63 tracks/cylinder: 255 sectors/cylinder: 16065 cylinders: 394 sectors/unit: 6329610 rpm: 7200 interleave: 1 trackskew: 0 cylinderskew: 0 headswitch: 0 # milliseconds track-to-track seek: 0 # milliseconds drivedata: 0 8 partitions: # size offset fstype [fsize bsize bps/cpg] a: 409600 0 4.2BSD 0 0 0 # (Cyl. 0 - 25*) b: 524288 409600 swap # (Cyl. 25*- 58*) c: 6329610 0 unused 0 0 # (Cyl. 0 - 393) e: 5395722 933888 4.2BSD 0 0 0 # (Cyl. 58*- 393*) -------------------------------------------------------------------- \||/_ Alok K. Dhir Phone: +1.202.473.2446 oo \ R7-003, ITSMC Email: adhir@worldbank.org L_ The World Bank Group Washington, DC \/ ------------------------------------------------------------------------| "Unix _is_ user friendly - it just chooses friends selectively..." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message